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Finding the Fourth Proportional to 604.24, 909.94 and 528.12

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Solution

The fourth proportional to 604.24, 909.94 and 528.12 is: 795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.24 : 909.94 = 528.12 : x
  2. Step 2: Convert to fraction form
    604.24/909.94 = 528.12/x
  3. Step 3: Cross multiply
    604.24x = 909.94 × 528.12
  4. Step 4: Simplify right side
    604.24x = 480,557.51
  5. Step 5: Solve for x
    x = 480,557.51/604.24
  6. Step 6: Final answer
    x = 795.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.