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Finding the Fourth Proportional to 623.40, 933.13 and 569.62

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Solution

The fourth proportional to 623.40, 933.13 and 569.62 is: 852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.40 : 933.13 = 569.62 : x
  2. Step 2: Convert to fraction form
    623.40/933.13 = 569.62/x
  3. Step 3: Cross multiply
    623.40x = 933.13 × 569.62
  4. Step 4: Simplify right side
    623.40x = 531,529.51
  5. Step 5: Solve for x
    x = 531,529.51/623.40
  6. Step 6: Final answer
    x = 852.63

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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.