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Finding the Fourth Proportional to 473.07, 652.50 and 315.62

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Solution

The fourth proportional to 473.07, 652.50 and 315.62 is: 435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.07 : 652.50 = 315.62 : x
  2. Step 2: Convert to fraction form
    473.07/652.50 = 315.62/x
  3. Step 3: Cross multiply
    473.07x = 652.50 × 315.62
  4. Step 4: Simplify right side
    473.07x = 205,943.68
  5. Step 5: Solve for x
    x = 205,943.68/473.07
  6. Step 6: Final answer
    x = 435.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.