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Finding the Fourth Proportional to 369.63, 510.14 and 214.47

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Solution

The fourth proportional to 369.63, 510.14 and 214.47 is: 296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.63 : 510.14 = 214.47 : x
  2. Step 2: Convert to fraction form
    369.63/510.14 = 214.47/x
  3. Step 3: Cross multiply
    369.63x = 510.14 × 214.47
  4. Step 4: Simplify right side
    369.63x = 109,409.73
  5. Step 5: Solve for x
    x = 109,409.73/369.63
  6. Step 6: Final answer
    x = 296.00

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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.