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Finding the Fourth Proportional to 530.19, 795.24 and 324.36

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Solution

The fourth proportional to 530.19, 795.24 and 324.36 is: 486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.19 : 795.24 = 324.36 : x
  2. Step 2: Convert to fraction form
    530.19/795.24 = 324.36/x
  3. Step 3: Cross multiply
    530.19x = 795.24 × 324.36
  4. Step 4: Simplify right side
    530.19x = 257,944.05
  5. Step 5: Solve for x
    x = 257,944.05/530.19
  6. Step 6: Final answer
    x = 486.51

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.