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Finding the Fourth Proportional to 58.33, 87.51 and 52.28

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Solution

The fourth proportional to 58.33, 87.51 and 52.28 is: 78.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.33 : 87.51 = 52.28 : x
  2. Step 2: Convert to fraction form
    58.33/87.51 = 52.28/x
  3. Step 3: Cross multiply
    58.33x = 87.51 × 52.28
  4. Step 4: Simplify right side
    58.33x = 4,575.02
  5. Step 5: Solve for x
    x = 4,575.02/58.33
  6. Step 6: Final answer
    x = 78.43

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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.