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Finding the Fourth Proportional to 897.10, 1,346.56 and 410.49

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Solution

The fourth proportional to 897.10, 1,346.56 and 410.49 is: 616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    897.10 : 1,346.56 = 410.49 : x
  2. Step 2: Convert to fraction form
    897.10/1,346.56 = 410.49/x
  3. Step 3: Cross multiply
    897.10x = 1,346.56 × 410.49
  4. Step 4: Simplify right side
    897.10x = 552,748.39
  5. Step 5: Solve for x
    x = 552,748.39/897.10
  6. Step 6: Final answer
    x = 616.15

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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.