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Finding the Fourth Proportional to 607, 909.90 and 241.68

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Solution

The fourth proportional to 607, 909.90 and 241.68 is: 362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    607 : 909.90 = 241.68 : x
  2. Step 2: Convert to fraction form
    607/909.90 = 241.68/x
  3. Step 3: Cross multiply
    607x = 909.90 × 241.68
  4. Step 4: Simplify right side
    607x = 219,904.63
  5. Step 5: Solve for x
    x = 219,904.63/607
  6. Step 6: Final answer
    x = 362.28

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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.