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Finding the Fourth Proportional to 476.04, 714.04 and 151.40

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Solution

The fourth proportional to 476.04, 714.04 and 151.40 is: 227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.04 : 714.04 = 151.40 : x
  2. Step 2: Convert to fraction form
    476.04/714.04 = 151.40/x
  3. Step 3: Cross multiply
    476.04x = 714.04 × 151.40
  4. Step 4: Simplify right side
    476.04x = 108,101.33
  5. Step 5: Solve for x
    x = 108,101.33/476.04
  6. Step 6: Final answer
    x = 227.08

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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.