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Finding the Fourth Proportional to 444.49, 612.66 and 346.07

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Solution

The fourth proportional to 444.49, 612.66 and 346.07 is: 477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.49 : 612.66 = 346.07 : x
  2. Step 2: Convert to fraction form
    444.49/612.66 = 346.07/x
  3. Step 3: Cross multiply
    444.49x = 612.66 × 346.07
  4. Step 4: Simplify right side
    444.49x = 212,026.08
  5. Step 5: Solve for x
    x = 212,026.08/444.49
  6. Step 6: Final answer
    x = 477.01

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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.