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Finding the Fourth Proportional to 622.89, 928.36 and 595.76

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Solution

The fourth proportional to 622.89, 928.36 and 595.76 is: 887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.89 : 928.36 = 595.76 : x
  2. Step 2: Convert to fraction form
    622.89/928.36 = 595.76/x
  3. Step 3: Cross multiply
    622.89x = 928.36 × 595.76
  4. Step 4: Simplify right side
    622.89x = 553,075.86
  5. Step 5: Solve for x
    x = 553,075.86/622.89
  6. Step 6: Final answer
    x = 887.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.