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Finding the Fourth Proportional to 894.48, 1,341.54 and 346.74

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Solution

The fourth proportional to 894.48, 1,341.54 and 346.74 is: 520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.48 : 1,341.54 = 346.74 : x
  2. Step 2: Convert to fraction form
    894.48/1,341.54 = 346.74/x
  3. Step 3: Cross multiply
    894.48x = 1,341.54 × 346.74
  4. Step 4: Simplify right side
    894.48x = 465,165.58
  5. Step 5: Solve for x
    x = 465,165.58/894.48
  6. Step 6: Final answer
    x = 520.04

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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.