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Finding the Fourth Proportional to 897.46, 1,346.18 and 248.19

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Solution

The fourth proportional to 897.46, 1,346.18 and 248.19 is: 372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    897.46 : 1,346.18 = 248.19 : x
  2. Step 2: Convert to fraction form
    897.46/1,346.18 = 248.19/x
  3. Step 3: Cross multiply
    897.46x = 1,346.18 × 248.19
  4. Step 4: Simplify right side
    897.46x = 334,108.41
  5. Step 5: Solve for x
    x = 334,108.41/897.46
  6. Step 6: Final answer
    x = 372.28

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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.