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Finding the Fourth Proportional to 899.01, 1,348.68 and 351.17

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Solution

The fourth proportional to 899.01, 1,348.68 and 351.17 is: 526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    899.01 : 1,348.68 = 351.17 : x
  2. Step 2: Convert to fraction form
    899.01/1,348.68 = 351.17/x
  3. Step 3: Cross multiply
    899.01x = 1,348.68 × 351.17
  4. Step 4: Simplify right side
    899.01x = 473,615.96
  5. Step 5: Solve for x
    x = 473,615.96/899.01
  6. Step 6: Final answer
    x = 526.82

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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.