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Finding the Fourth Proportional to 530.08, 794.13 and 472.93

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Solution

The fourth proportional to 530.08, 794.13 and 472.93 is: 708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.08 : 794.13 = 472.93 : x
  2. Step 2: Convert to fraction form
    530.08/794.13 = 472.93/x
  3. Step 3: Cross multiply
    530.08x = 794.13 × 472.93
  4. Step 4: Simplify right side
    530.08x = 375,567.90
  5. Step 5: Solve for x
    x = 375,567.90/530.08
  6. Step 6: Final answer
    x = 708.51

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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.