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Finding the Fourth Proportional to 444.04, 611.54 and 434.48

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Solution

The fourth proportional to 444.04, 611.54 and 434.48 is: 598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.04 : 611.54 = 434.48 : x
  2. Step 2: Convert to fraction form
    444.04/611.54 = 434.48/x
  3. Step 3: Cross multiply
    444.04x = 611.54 × 434.48
  4. Step 4: Simplify right side
    444.04x = 265,701.90
  5. Step 5: Solve for x
    x = 265,701.90/444.04
  6. Step 6: Final answer
    x = 598.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.