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Finding the Fourth Proportional to 371.48, 554.06 and 314.08

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Solution

The fourth proportional to 371.48, 554.06 and 314.08 is: 468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.48 : 554.06 = 314.08 : x
  2. Step 2: Convert to fraction form
    371.48/554.06 = 314.08/x
  3. Step 3: Cross multiply
    371.48x = 554.06 × 314.08
  4. Step 4: Simplify right side
    371.48x = 174,019.16
  5. Step 5: Solve for x
    x = 174,019.16/371.48
  6. Step 6: Final answer
    x = 468.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.