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Finding the Fourth Proportional to 887.90, 1,332.26 and 368.25

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Solution

The fourth proportional to 887.90, 1,332.26 and 368.25 is: 552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.90 : 1,332.26 = 368.25 : x
  2. Step 2: Convert to fraction form
    887.90/1,332.26 = 368.25/x
  3. Step 3: Cross multiply
    887.90x = 1,332.26 × 368.25
  4. Step 4: Simplify right side
    887.90x = 490,602.90
  5. Step 5: Solve for x
    x = 490,602.90/887.90
  6. Step 6: Final answer
    x = 552.55

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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.