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Finding the Fourth Proportional to 887.90, 1,225.71 and 593.35

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Solution

The fourth proportional to 887.90, 1,225.71 and 593.35 is: 819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.90 : 1,225.71 = 593.35 : x
  2. Step 2: Convert to fraction form
    887.90/1,225.71 = 593.35/x
  3. Step 3: Cross multiply
    887.90x = 1,225.71 × 593.35
  4. Step 4: Simplify right side
    887.90x = 727,271.96
  5. Step 5: Solve for x
    x = 727,271.96/887.90
  6. Step 6: Final answer
    x = 819.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.