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Finding the Fourth Proportional to 373.36, 560.80 and 360.40

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Solution

The fourth proportional to 373.36, 560.80 and 360.40 is: 541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.36 : 560.80 = 360.40 : x
  2. Step 2: Convert to fraction form
    373.36/560.80 = 360.40/x
  3. Step 3: Cross multiply
    373.36x = 560.80 × 360.40
  4. Step 4: Simplify right side
    373.36x = 202,112.32
  5. Step 5: Solve for x
    x = 202,112.32/373.36
  6. Step 6: Final answer
    x = 541.33

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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.