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Finding the Fourth Proportional to 476.04, 714.07 and 183.63

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Solution

The fourth proportional to 476.04, 714.07 and 183.63 is: 275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.04 : 714.07 = 183.63 : x
  2. Step 2: Convert to fraction form
    476.04/714.07 = 183.63/x
  3. Step 3: Cross multiply
    476.04x = 714.07 × 183.63
  4. Step 4: Simplify right side
    476.04x = 131,126.55
  5. Step 5: Solve for x
    x = 131,126.55/476.04
  6. Step 6: Final answer
    x = 275.45

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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.