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Finding the Fourth Proportional to 551.01, 824.49 and 510.12

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Solution

The fourth proportional to 551.01, 824.49 and 510.12 is: 763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.01 : 824.49 = 510.12 : x
  2. Step 2: Convert to fraction form
    551.01/824.49 = 510.12/x
  3. Step 3: Cross multiply
    551.01x = 824.49 × 510.12
  4. Step 4: Simplify right side
    551.01x = 420,588.84
  5. Step 5: Solve for x
    x = 420,588.84/551.01
  6. Step 6: Final answer
    x = 763.31

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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.