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Finding the Fourth Proportional to 59.16, 88.76 and 52.45

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Solution

The fourth proportional to 59.16, 88.76 and 52.45 is: 78.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.16 : 88.76 = 52.45 : x
  2. Step 2: Convert to fraction form
    59.16/88.76 = 52.45/x
  3. Step 3: Cross multiply
    59.16x = 88.76 × 52.45
  4. Step 4: Simplify right side
    59.16x = 4,655.37
  5. Step 5: Solve for x
    x = 4,655.37/59.16
  6. Step 6: Final answer
    x = 78.69

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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.