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Finding the Fourth Proportional to 492.42, 737.34 and 345.94

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Solution

The fourth proportional to 492.42, 737.34 and 345.94 is: 518.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.42 : 737.34 = 345.94 : x
  2. Step 2: Convert to fraction form
    492.42/737.34 = 345.94/x
  3. Step 3: Cross multiply
    492.42x = 737.34 × 345.94
  4. Step 4: Simplify right side
    492.42x = 255,075.40
  5. Step 5: Solve for x
    x = 255,075.40/492.42
  6. Step 6: Final answer
    x = 518.00

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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.