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Finding the Fourth Proportional to 604.84, 907.49 and 214.83

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Solution

The fourth proportional to 604.84, 907.49 and 214.83 is: 322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.84 : 907.49 = 214.83 : x
  2. Step 2: Convert to fraction form
    604.84/907.49 = 214.83/x
  3. Step 3: Cross multiply
    604.84x = 907.49 × 214.83
  4. Step 4: Simplify right side
    604.84x = 194,953.76
  5. Step 5: Solve for x
    x = 194,953.76/604.84
  6. Step 6: Final answer
    x = 322.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.