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Finding the Fourth Proportional to 612.32, 844.72 and 588.76

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Solution

The fourth proportional to 612.32, 844.72 and 588.76 is: 812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    612.32 : 844.72 = 588.76 : x
  2. Step 2: Convert to fraction form
    612.32/844.72 = 588.76/x
  3. Step 3: Cross multiply
    612.32x = 844.72 × 588.76
  4. Step 4: Simplify right side
    612.32x = 497,333.76
  5. Step 5: Solve for x
    x = 497,333.76/612.32
  6. Step 6: Final answer
    x = 812.21

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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.