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Finding the Fourth Proportional to 530.08, 795.12 and 472.48

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Solution

The fourth proportional to 530.08, 795.12 and 472.48 is: 708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.08 : 795.12 = 472.48 : x
  2. Step 2: Convert to fraction form
    530.08/795.12 = 472.48/x
  3. Step 3: Cross multiply
    530.08x = 795.12 × 472.48
  4. Step 4: Simplify right side
    530.08x = 375,678.30
  5. Step 5: Solve for x
    x = 375,678.30/530.08
  6. Step 6: Final answer
    x = 708.72

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Double scale
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Similar ratio
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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.