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Finding the Fourth Proportional to 58.89, 88.83 and 55.52

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Solution

The fourth proportional to 58.89, 88.83 and 55.52 is: 83.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.89 : 88.83 = 55.52 : x
  2. Step 2: Convert to fraction form
    58.89/88.83 = 55.52/x
  3. Step 3: Cross multiply
    58.89x = 88.83 × 55.52
  4. Step 4: Simplify right side
    58.89x = 4,931.40
  5. Step 5: Solve for x
    x = 4,931.40/58.89
  6. Step 6: Final answer
    x = 83.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.