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Finding the Fourth Proportional to 1,020.26, 1,530.37 and 336.26

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Solution

The fourth proportional to 1,020.26, 1,530.37 and 336.26 is: 504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020.26 : 1,530.37 = 336.26 : x
  2. Step 2: Convert to fraction form
    1,020.26/1,530.37 = 336.26/x
  3. Step 3: Cross multiply
    1,020.26x = 1,530.37 × 336.26
  4. Step 4: Simplify right side
    1,020.26x = 514,602.22
  5. Step 5: Solve for x
    x = 514,602.22/1,020.26
  6. Step 6: Final answer
    x = 504.38

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.