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Finding the Fourth Proportional to 562.56, 841.50 and 528

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Solution

The fourth proportional to 562.56, 841.50 and 528 is: 789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.56 : 841.50 = 528 : x
  2. Step 2: Convert to fraction form
    562.56/841.50 = 528/x
  3. Step 3: Cross multiply
    562.56x = 841.50 × 528
  4. Step 4: Simplify right side
    562.56x = 444,312
  5. Step 5: Solve for x
    x = 444,312/562.56
  6. Step 6: Final answer
    x = 789.80

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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.