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Finding the Fourth Proportional to 894.01, 1,340.91 and 373.70

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Solution

The fourth proportional to 894.01, 1,340.91 and 373.70 is: 560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.01 : 1,340.91 = 373.70 : x
  2. Step 2: Convert to fraction form
    894.01/1,340.91 = 373.70/x
  3. Step 3: Cross multiply
    894.01x = 1,340.91 × 373.70
  4. Step 4: Simplify right side
    894.01x = 501,091.36
  5. Step 5: Solve for x
    x = 501,091.36/894.01
  6. Step 6: Final answer
    x = 560.50

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1.5x scale

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.