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Finding the Fourth Proportional to 341.76, 510.18 and 330.33

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Solution

The fourth proportional to 341.76, 510.18 and 330.33 is: 493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.76 : 510.18 = 330.33 : x
  2. Step 2: Convert to fraction form
    341.76/510.18 = 330.33/x
  3. Step 3: Cross multiply
    341.76x = 510.18 × 330.33
  4. Step 4: Simplify right side
    341.76x = 168,527.76
  5. Step 5: Solve for x
    x = 168,527.76/341.76
  6. Step 6: Final answer
    x = 493.12

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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.