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Finding the Fourth Proportional to 530.06, 795.42 and 286.22

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Solution

The fourth proportional to 530.06, 795.42 and 286.22 is: 429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.06 : 795.42 = 286.22 : x
  2. Step 2: Convert to fraction form
    530.06/795.42 = 286.22/x
  3. Step 3: Cross multiply
    530.06x = 795.42 × 286.22
  4. Step 4: Simplify right side
    530.06x = 227,665.11
  5. Step 5: Solve for x
    x = 227,665.11/530.06
  6. Step 6: Final answer
    x = 429.51

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.